Home / 51,201,255.13-76,801,956.60-20,909,118.13

Finding the Fourth Proportional to 51,201,255.13, 76,801,956.60 and 20,909,118.13

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Solution

The fourth proportional to 51,201,255.13, 76,801,956.60 and 20,909,118.13 is: 31,363,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201,255.13 : 76,801,956.60 = 20,909,118.13 : x
  2. Step 2: Convert to fraction form
    51,201,255.13/76,801,956.60 = 20,909,118.13/x
  3. Step 3: Cross multiply
    51,201,255.13x = 76,801,956.60 × 20,909,118.13
  4. Step 4: Simplify right side
    51,201,255.13x = 1,605,861,183,164,533
  5. Step 5: Solve for x
    x = 1,605,861,183,164,533/51,201,255.13
  6. Step 6: Final answer
    x = 31,363,707.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.